Drive mechanism for traction-engines.



D. P. DAVIES.

DRIVE MECHANISM FORTHACTION ENGINES.

APPLICATION FILED may 25, mzl. Patented Feb. 27,1917.

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D. P. DAVIES. DRIVE MECHANISM FOR TRACTION ENGINES.

APPLICATION FILED MAY 25. 1912.

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Patented Feb.,27', 1917.

MUM 4 ELL D. P. DAVIES.

DRIVE MECHANISM FOR TRACTION ENGINES.

APPLICATION FILED MAY 25,1912. I 1.2173284. Patented Feb.27,1917.

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UNITED STATES PATENT OFFIOE.

DAVID P. DAVIES. OF RAUINE. \VISCONSIN, ASSIGNOR TO J. I. CASE THRESHING MACHINE COMPANY, OF RACINE, WISCONSIN, A CORPORATION.

DRI VE ME CHANI$M FOR TR ACTION-ENGINES.-

Application filed May 25,1912,

(H lfllll'liilliil iii liieiiiiiiigs liii'iiii il iit ll ii'i iiilg: iiithe sleeve Tiiiiil lLliii liitlui' also HUIVPS'HH ii. bracingimiiiviztiiiii lHflAYPQ'II ill flfilili', liars or sills. so that, inclient, iilH' sliiiiiu loriiis :l

Spccificzition of Letters Patent.

ii -i ll'ltilllliicd Paluiilud Feb. 27,1917. Serial No. 699,779.

.posed heveled ,uears 737.

rings 2! in the erank easing. ;\t one elnl it is provided with a heavyll wheel Zlttwhieh is keyed thereto and at its opposite eml with a loosehelt pulle v 3- spur pinion 32 is loosel v mounted on the left-hand emlof the erank shaft is hetween in fillllttlile la the rrank easing andthe ll v-wheel an. ,lllls pinion 5'. meshes wlth the teeth of a gear Eliwhirh is lived to the adjaeent end of the counter shaft 21. At itsopposite end, the shaft 2] is provided with a spur pinion ll whiehmeshes with the main gear wheel 23.3 of a ditler'ential gear on theeounter shaft 2 'lhe gear wheel 25.) loose on the eounter shaft 2 andearries a series of ln-\ eledpinions 234' whit-h mesh with two op- 'lheeounter shaft at its ends whieh mesh toothed gears Zit whit-h The 2::earries pinions with large. internall) are mounted on the traetionwheels. pinion 3N at the left-hand side of the maehine. and the innerheveled gear 37 are fixed to the eounterslnift Q3. 'lhe other heveledgear IJ 'nd pinion n are Loosely mounted thereon, hut are formed inpieee with one another or otherwise rigidly eonneeted.

'l'h e seeoml eounter shaft 22 N'lWltll the engine shaft and the shaft"3" is provided at its right-hand end with a pinion tlt whieh. like'thepinion ill of the eounter shaft 21, meshes with a large year It? of thedili'ereie tial. Intermediate its-euds the shaft 2:! is provided with apinion ll whieh is aranged to eoiiperate with a pinion ti! on theeounter shaft :21. The latter is slidahlv mounted upon the eollntershaft '3]. eonnerted to rotate tlu' rewith. lreferahlv. tlte eentralportion of the im ft it is square in seetion (see Figs. 1 and ll and thegear is provided witlra sleeve-like huh 4 havin L a eorrespondinglvshaped opening. liv shifting the gear ii. the interim-diate eollntershafts ii and 3; ma) lie eonueeled and diseonma-ttal.

'lhe shifting gear also serves to eonneel and diseonneet the eountershaft .51 aml the pinion 1H tltere,on.. 'lhe pinion ll (see Figs. 1 andt) is ke ved on the end of a sleeve l l. the sleeve heing' loose on theshaft 121 and jonrnaled within the hearing on the side frame or rastingll.- .\t its inner end the sleeve II is provided with a elntrh disk l"-havi'ng' teeth IT thereon. 'lhe adjaeent fare of the gear I! is providedwith projeeting' eluteh teeth tt' whi h are arranged to eooperate witht'ln eluteh disk if) to ronneet and disronneet the shaft 21 aml thepinion ill.

'lhe pinion l2 earr vin the eluteh teet' T is shifted Irv a pair ofartns t (see Figs. 1 aml 2) whit-hare mounted on a huh til.- aml theouter. forked ends of whieh engage pins to that projeet front a eollaraton the sleeve or huh til oi the pinion -l' The huh hut is t!) of thearms 43 is held between the transverse liars 2t; and 27 lr v a vertiealpivot holt 5:! and this huh is provided with a laterally projm'ting arm53 wh t-h is connected h v a rearwardfv extending link St to anoperating-lever .33. 'l'htwiperating leverisloosely mounted upon atransverse shaft 56 which extends heneath the side lHtl'S or sills l andis jonrnaled in suitahle hearings in the rear ends it the l'tt tlltg'sl-l.

ll v means of the lever 53. the pinion 4'! may he shifted into with thepinion tt aml also into amt out. of engagement with the eluteh disk 45:or the pinion l2 nnrv he held in intermediate idle position out ofengagement with the. rluteh disk t5 and alsooilt of engagement with thepinion ll. When the pinion is in engagement with the clutch disk themaehine is driven in forward direetion. .\t sue-ti timeqhe eonntershaft- :22 and pinions i aml ll fhereon run idle. When the pinion t2 isin engagement with the pinion ll. it is ltttt'x 'ttl'lly disengaged fromthe eluteh disk t= .'the pinion lit runs idle and the truetion wheelsare driven in reverse direction through the medium of the ditl'erentialand the pinion it on the eounter shaft 22. In the intermediate positionof the piniotr rL'. the motion of all the shafts exeept that of theengine shaft is arrested. Suitable meansare prefe provided for holdingthe eluteh pinion +2 in its three positions. In the form shown. asegment .37 is seeured to the side hat 1 adjaeent the lever 55 and thelatter is provided with the ordinaev dog or late-h (not sl|u\\'lt) forengaging the segment.

in the eonstruetion shown. the eounU- shaft 12; is provided with a brakewheel 58. A h :tke hand 59 thereon is operated by a lever (it and thelatter is eonneeted by a link til to an arm i on a sleeve ti l. Thesleeve L; is loosely mounted on the shaftand is provided with a foott|'t'ttlll( til.

The entire driving gauis thrown into and out of operation by a frictionclutch whielt serves to eonnert the engine shaft: 28 and the drivepinion 3:5 which is loosely mounted thereon. .\s stated. the belt pulleyIt! is looselv mounted on the opposite end of the engine shaft and thispulle and the. pinion 32 are adapted to he eonnee'ted with amtdiseonneeted from the shaft by similar eluteh lneehanisms. llaeh ofthese elutelt meehanisins eomprises wooden fat-ed shoes whieh arepivoted upon projeeting arms (at on sleeves 6-7 and which areradiallyshifted h v links (38 eonnee'ted to sliding eollars (it The -sleeve ofat the left-hand side of the maehine is lixeil to the pinion 3'2 and theelntelt shoes are arranged to engage the internal fri tion surface of aflange on the tl v-wheel 30L" In the eluteh'at the opposite em of theengine shaft, the sleeve 6'.

and out of engagementglue is keyed to the shaft and the shoes arearranged to engage a friction surface on the inner face of the pulley31. These clutches; are shifted by hell eranls 7.1. whirh engage thecollars 72 on the sleeves (Elli Rods 73 extend rearwardly to crank arms74 on the shaft 50. One of these arms is fixed to the end of the shaft56 and an operating lever 73 also lixed to the shaft serves to throw theclutch which connects and disconnects the drire pinion 3: and the engineshaft 23. The other arm it 's connected to the hub of a lever Tti andthe latter is shilted to connect and di ronnrrt the pulley 31 on theengine shaftgso that a threshing or other similar marhinroperated lromthe engine ran he started and stopped.

The gears 3U on the traction wheels are provided with spokes TT" andflat, liltblllit) portions 78 whir-h ahut against the inner faces of thewheel hul' s I5 nd are secured thereto h bolts 79. The gears are alsosecured to the rims 5 oi" the trartion wheels h) a series of bolt RIL-'l -hese holts ur ear-h lu-nt interim-(Hate its nds and are riveted orotliQt'Wls'o conm-rti-d at stu'h points to the wheel rims. 'lluends ol'the bolts extend through open sided slots t ol a series of lugs s2t'orn'ied on the outer periphery of the gear 25. Ushaped rap piece 83fits over the end of l-arh liolt and wet the atljarta'it end oi the lugi-and nuts tilthreadtal on the end ol the holt hold the cap piece inposition and set-urn the holt to the log 82.

In assen'lbling these parts. the bolts are first secured to the rims ol"the wheels and the gears plat-ed in position with the slotted lugs ixex'igag'ing the ends of the bolts, 'lho hubs ol' the gears are thenholted to the wh-w-l huhs i and the cap pitres 13 and nuts iii are thenplat-ed in position. 'lhis arrangenu'ntof the raps pro-Wilts the lateraldisplar'rmenl. ol' the holts l l'rom theslottrd lugs 5 2.

In the rear ol' the wheel axle the side bars or sills 1. are (UlllltCtPdl)\' horizontally disposed, inclined hraoe liars 35 whioh carry aplatform. h'i'milar vertically disposed M jillc 86 extend dmvnwardlvfrom the rear .nds ot the side harsor sills 1 to a trans-rrrse trartionliar 87. This liar is'pro- \idvd with openings 88 for engagement withdra l t. rhaius or like couplings to whirl] the load to he drawn by thetraction onis serured. Beneath the hat 87 extends an angle liar 89 whichis bolted in position and the end of the angle bar is provided withL-shaped clips 90. Links 9] are r-onnerted to these rlips 90 hy'pins 92and extend upwardly and forwardly therefrom to the sleeve hearing forthe main axle. As shown, the latter is provided with rearwardlvprojecting, perlt rated lugs 93 between which the upper ends of thelinks 91 extend and to which they are .eounretw] hr pins ill. .iy thisarrangement the transverse roupling or trartion lJtlI' *7 is direr-tlyootlnertrd to the main hearing of the axle whet-eon the trartion wheelsare mounted.

The oylinders 12 of the motor rest loosely upon the tl'ZlllHYvl'h'O 2bar 25, so that they are properly supported but are tree to expand androntrart as they are heated and ('oolod. I

The ronstrurtion is extreuu'lr rigid. strong and rompart. 'llurouutershalts 2H1 journah-d in the sitlerastings which are rigidlv holtrd tothe sills and the latterla-ry lirmlr ('ollllt' 'l'ttl hr lluenginerasihg and the axle hearing T. so that the gears of the in drivingnu-rhanism are maintained proper alinemrut. liv shitting the rlutrhpinion ii the transmission gear is adapted 'l'or either going ahead orin rearward dirt-rtiou. ll the engine is running. the trim tion rlutrhroiiperating with the ll;\'-\\'heel it) is disengaged hel'ore the pinionll! is shil'tt-d. the lever 75 is then shil'trd to throw in lhet'rirtion rllurh and ronnrrt the gear wheel and the ll \'\\'h-e| lit)and the engine (rank shaft. It' the trartor is employed for(.lri\iugthreshing or other similar machines.

this rlutrh is disengaged to throw-all the transmission gear out ol'oprration. and the other l'rirtion rlutch is engaged to ronnert the hrltpulley ill to the engine shalt. When the marhine is employed fortraction purposes. this latter (-lnlrh mar he engaged at all timessothat the belt pulley will art as a supplemental tlvw'lu-el. it isloose on the engine shaft and is connected thereto andfllht'tlllllttfltal therefrom by a. friction (-lntrh in orllrt' that thethreshing or other similar niatzhines opt-rated by the motor ran hestarted and stopped.

The hull-gears 19 on tho trzu-tiou wheels are luhrirated will! waste oilfrom the engine rranlc easing li means ol' two liranrh pipes 95vonnrcted to and depending from a horizontal pipe 96, (see Fig. ll). Thepipe 96 is romu-rtod to a \vrtiral pipe 9T rhirh leads From the lowerportion of the rrank easing ll ol the engine and the lu'aneh [)llll 95de-. livers the oil onto-thiinternal, toothed fares at the gears il Thepipe 96 is provided with a oontrol ling'valre 9H. and the pipe 97 isprovided at its lower end with a eorltilfl.

ll is ohrious that nunu-rous rhanges may he made in the details set;forth without departure from the essentials of the invention as delinndin the claims.

l rlailn as my inrention:--

l. in drire merhanism ol the class destrrihrd. the combination with adriven memlier, ol :1. drive shaft. a parallel reversingshaft-permanently geared to said driven rm-mlwr, a. elntrh memberloosely mounted on said drive shaft and permanently geared to saiddriven member, a companion clutch member slidably mounted on androtating with said drive shaft. and eoiiperating gears on said reversingshaft and on said sliding clutch member arranged to be engaged when saidclutch n'iembers are disengaged, substantially as described.

In drive meclranism of the class described, the combination with adriven member. and a n'iotor shaft. of a counter shaft and. a reversingshaft both parallel to said motor shaft. clutch controlled gearing forconnecting said motor shaft to said counter shaft. a loose clutch memberon said counter shaft, a coi'iperating clutch member slidably mounted onand rotating with said counter shaft, gearingpermanently connecting saidloose clutch member and said reversing shaft to said driven member,cot'iperating gears on said reversing shaft and on said sliding clutchmember, and means for shifting the latter in opposite. direction fromidle. position to operati vel v connect said counter shaft to said looseclutch member or to said reversing shaft, substantially as described.

3. In drive mechanism of the class dt scribed, the combination with adriven shaft having a gear thereon, of a drive shaft and a reversingshaft both parallel to said driven shaft, loose and tightpinionsrespectively mounted on said drive shaft and on said reversing shaft andpermanently meshing with said gear on said driven shaft, and aslidingclutch member on said drive shaft having means for operativelyconnecting the lug shaft, substantially as described.

4} In drive mechanism of the class described, the combination with aframe of a transverse shaft having a driven gear thereon, a transversemotor shaft, intermediate, parallel counter and reversing shafts, looseand tight pinions respectively mounted on said counter shaft and on saidreversing shaftand permanently meshing with said driven gear, clutchcontrolled gearing for connecting said motor shaft and said countershaft, a clutch member slidablv mounted on and rotating with saidcounter shaft, cooperating gears on said sliding clutch member and saidreversing shaft. and means for shifting said clutch member from idleposi tion to connect said cooperating gears or to connect said loosepinion to said counter shaft, substantially as described.

5. In drive.mechanism of the class described, the combination with theframe of a transverse engine shaft journaled on said frame, a. drivepinion and a belt pulley loosely mounted on opposite ends of said shaft,separate friction clutches for connecting said pulley and said pinion tosaid shaft, a driven member and clutch controlled gearing for connectingsaid pinion to said driven member, substantially as described.

DAVID 1. DAVIES.

Witnesses:

HARRY L. CLAPP, :KATHARINE GERLACH.

